USGS Data Grapher

This is a data graphing utility that allows the user to build graphs
of data from selected USGS stations. Select the station, the type of graph,
the parameter(s) to plot, and the starting and ending dates for the graph.
Then, click the button labeled "Make Graph."

Note: I see that javascript is not currently enabled
in your browser. That's okay -- the Data Grapher will work without javascript.
I invite you to enable javascript for this page, however, because the
Data Grapher interface utilizes javascript to clarify and simplify data input.